/*
  ** Compute name changes from P->V
  */
  find_filename_changes(vid, pid, &nChng, &aChng);
  if( nChng ){
    for(i=0; i<nChng; i++){
      char *z;
      z = db_text(0, "SELECT name FROM filename WHERE fnid=%d", aChng[i*2+1]);
      db_multi_exec(
        "UPDATE fv SET fnp=(SELECT name FROM filename WHERE fnid=%d)"
        "UPDATE fv SET fnp=%Q, fnm=%Q"
        " WHERE fn=(SELECT name FROM filename WHERE fnid=%d)",
        aChng[i*2+1], aChng[i*2]
        z, z, aChng[i*2]
      );
      free(z);
    }
    fossil_free(aChng);
    db_multi_exec("UPDATE fv SET fnm=fnp WHERE fnp!=fn");
  }

  /* Add files found in P
  */
  db_multi_exec(
    "INSERT OR IGNORE INTO fv(fn,fnp,fnm,idv,idp,idm,ridv,ridp,ridm,chnged)"
    " SELECT pathname, pathname, pathname, 0, 0, 0, 0, 0, 0, 0 "